Japan earthquake and tsunami caused a number of undersea cables damaged. On Monday, Asia's major telecom operators have carried out and trying to eliminate the effects of damage to the cable operators bring.
Although the line by changing the flow go undamaged cable or satellite service to the damaged part of recovery, but many Asian carriers say the Internet connection is still partially interrupted state.
Hong Kong's undersea cable operator Pacnet (Pacnet), chief executive of Barney (Bill Barney), said about half of the Pacific cable is damaged, a lot of people feel connected to the U.S. Internet slower. He refused to disclose the damage to other cable companies, but said Pacnet's cable connecting Japan and the U.S. system is currently not damaged.
Most international Internet data and voice calls through hundreds of undersea fiber-optic cable in the form of pulses of light transmission. These cables cost hundreds of millions of dollars, generally laying jointly by several telecommunications companies, the cost and capacity shared by them. These glass fibers are wrapped in protective materials, but they are still vulnerable to undersea earthquakes, fishing trawlers and anchor damage. Obstruction around the world there are many points, they tend to appear in multiple cables meet.
Although the extent of the damage is unknown submarine cables, the economic losses are not sure, but operators say they checked and ready to accelerate the ongoing restoration.
Barney said Pacnet connection between Japan and other regions (such as Taiwan and Hong Kong) Asian cable network across East Asia (East Asia Crossing) has two were destroyed, the company plans to complete these two repair in 5-7 days. He said Pacnet as well as those of regional telecom operators have not suffered too much because of the damaged cables economic losses.
Barney said that despite cable damage caused by the earthquake in Japan were particularly noticeable, but the company's business plan in advance to consider the issue has damaged the cable into it, the company will face 5-10 times per year cable outages.
On Monday, the Japanese telecom operator KDDI said the company connecting Japan and the United States a submarine cables damaged by the earthquake, unable to transmit any signals, but KDDI spokesman said the company does not know whether the cable is disconnected, or connection problem.
The spokesman said the damage at the very far from the coast, so KDDI to identify and solve problems that might take some time, but the service has been restored after the earthquake, because KDDI can bypass the damaged area, from other cables transmit signals.
Pacific Crossing, a subsidiary of Japanese telecommunications company NTT Communications Corp., Which has operations between Japan and the U.S. cable network. The company said Monday that affected by the earthquake, Pacific Crossing cable network, PC-1 W and PC-1 N parts are still unable to provide services.
Japan's NTT Communications, the service part of the company's business in the northeastern region of Japan to provide interrupts, however, for Japan and other countries and regions in Asia and the United States between the submarine cable, the company is using backup cable lines to maintain uninterrupted service.